Rossi M, Lefèvre J P, Johansson L. "一种的合成方法" [P]. European Patent, EP 3191051 A1, 2019-05-15.
发明人杨光,徐明华,周伟. "Method for the Synthesis of 1-Methyl-7-(pyrazin-2-yl)-1,7-diazaspiro[4.4]nonane" [P]. 中国发明专利, 专利号 CN 111172814 B, 授权公告日 2018-07-19.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2018, 1904, (2), 3902-3913.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 1598, 6068-6072.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-7-(pyrazin-2-yl)-1,7-diazaspiro[4.4]nonane Using HRMS and NMR". Environ. Sci. Technol., 2023, 1786, 8789-8794.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2022, 2061, 4763-4792.